provides an opportunity to get
to know someone of the opposite sex outside your own family.

Both volcanic glass and volcanic rock are produced as lava cools. As part of a powerful volcanic eruption, magma may potentially erupt into the Earth's atmosphere.

In the form of volcanic rock known as tephra, this magma solidifies in the atmosphere. Tephra is most often known as volcanic ash in the atmosphere.

Volcanoes can spew forth a significant volume of heated lava (a geosphere event), which melts mountain glaciers (a hydrosphere phenomenon).

Therefore, flooding and mudflows (geosphere) might affect settlements along streams downstream from volcanoes (biosphere).

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Answer: Cytolysis

Explanation:

Cytolysis is the act of a cell exploding due to that has caused excess water to diffuse into the cell.

Crossing over is described as a process that occurs during prophase I, where DNA segments are exchanged between homologous chromosomes, resulting in different combinations of alleles, as shown in option B.

Crossing over is a very important genetic process as it is capable of promoting high genetic diversity and creating new and different traits.

This process occurs during meiosis, in the phase known as prophase I. In this phase, homologous chromatids are formed and each one of them has its genetic structure.

However, crossing over promotes the breakage of these chromatids and the exchange of fragments between them. Thus creating a genetic structure different from the expected one and coaching changes in the formation of the organism.

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Answer:

the one above me is correct i got it right on my test

Explanation:

Answer: the answer is D

Explanation:

Let's say trait for Tallness of Pea Plants and a cross between a homozygous dominant and a homozygous recessive.

If a monohybrid cross is done with a homozygous dominant and a homozygous recessive, than the genotypes of the F1 and F2 generation

PARENT (P)

GENOTYPES: PHENOTYPES:

Homozygous dominant: TT Tall

Homozygous recessive: tt Short

F1 GENERATION TT x tt

GENOTYPE: PHENOTYPE:

Heterozygous: Tt Tall

F2 GENERATION Tt x Tt

GENOTYPES: PHENOTYPES:

TT Tall

Tt Tall

tt Short

Therefore, Let's say trait for Tallness of Pea Plants and a cross between a homozygous dominant and a homozygous recessive.

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Hypothesis; Air pollution does affect the plants in the garden.

Independent variable; Quality of air

Dependent variable; Outcome of the plants

Constants; Kind of soil and nutrients

Control groups; Plants in unpolluted environment

Experimental group; Plants in polluted environment.

When we are talking about an experiment, it has to be know that we are looking at the interplay of the variables that are involved. We are just looking at the influence of one of the variables on the other. As we change one of the variables, there is an effect also that we see on the other variable that is involved in the experimet.

The variable that we have to manipulate in the experiment is the one that we call the independent variable and as we manipulate this variable, we are going to see that there would be a change in the other variable that we call the dependent variable of the experiment.

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Answer: B

Explanation:

The circulatory system includes the heart, veins, arterioles, etc.. Includes blood as well

According to the information, we have to draw two branches from Cephalopoda to classificate new orders. Also, we have to draw one branch from each order to mention their common names.

To organizate the information in a good way, we have to identify the brach of Mollusks and then, we have to understand how is the organization of each classification.

We have to follow the instructions, so we have to draw three branches from Mollusks to classificate Cephalopoda, Gastropoda and Bivalve. Once we did that, we must to draw two branches from Cephalopoda to classificate new orders (Octopoda and Teuthida). Finally, we have to draw one branch from each one to mention their common names.

Note: This question is incomplete because there is some information missing. Here is the complete information.

Graph attached

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Answer: increased genetic variation

Explanation:

Answer:

a. by causing extreme changes that organisms are not adapted to

The shape of the active site in a given enzyme is determined by the amino acid residues of the protein and the interaction between such amino acids and also molecules in the physiological conditions of the surrounding media.

The active site in a given enzyme protein is the molecular domain in the enzyme that binds to the substrate in a chemical reaction in order to form the enzyme-substrate complex that will be converted into products. The shape of the active site in the protein enzyme also depends on the amino acids in the domain that binds to the substrate and also to the molecular interactions.

Therefore, with this data, we can see that the active site in a given enzyme protein is dependent on the amino acids in the protein and their interactions.

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Increasing the number of plants help you decrease error in the experiment through the following below:

This is referred to as a procedure which is usually carried out in the laboratory and it is used to support or refute a hypothesis.

Increasing the number of samples when performing an experiment will ensure that the results derived are more accurate which is because it reduces the significance of any single measurement error.

It also helps to ensure that unforeseen circumstances such as the death of the organism isn't a big deal as they can be replaced by other samples thereby making it the correct choice.

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Answer:

groundwater flowing naturally to the surface where it is lower than the water table

Explanation:

Answer:

c

Explanation:

Question: A marine biologist and her team capture 40 sea turtles and mark them before releasing them. The following year, they capture 60 sea turtles at the same location. Of the 60 sea turtles, only 15 have the mark from the prior year. What is the estimated population of sea turtles for that location? 7 sea turtles 23 sea turtles 160 sea turtles 240 sea turtles

Answer: C) 160 sea turtles

Around 1900, organizational and technological advancements in electricity sparked a new industrial revolution. The appearance of enterprises and cities was altered by electrical illumination and motors.

Businesses were able to expand their locations and increase their productivity thanks to centrally produced electricity. These accomplishments depended on the development of massive interconnected systems, most of which were monopolies controlled by corporations.

Before the war, the electricity business grew slowly, but in the 1920s it truly took off and played a significant role in the economic growth.

It offered factories a low-cost, effective source of power. It allowed for the simultaneous use of numerous sophisticated machines, paving the way for the development of mass production methods.

Because it provided the power required in consumers' homes for the new mass-produced goods, such as vacuum cleaners, refrigerators, and washing machines, electricity also contributed to the economic boom.

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A species of strepsirrhine that possesses the prosimian monkeys' unique rhinarium, hence option C is correct

There are several species in the wild. A species found in the forest is called Strepsirhini.

The term "rhinarium" refers to nose shape. In this region, animals including numerous mammals with external nose openings may be found and hair is not present. In many animals, this is where moisture is produced.

The study of these mammals can occasionally reveal information about their evolution and classification.

Therefore,  the purpose of the grooming claw and tooth comb Strepsirrhini primates use these two features to groom themselves.

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Answer:

The wave are following the oscillate wave

Explanation:

The environment determines which traits are adaptive during the process of natural selection.

Natural selection is the process by which certain traits become more or less common in a population over time based on their effect on the survival and reproduction of the individuals that possess them. The individuals with traits that are better suited to their environment are more likely to survive and reproduce, passing those traits on to their offspring. Over time, this can lead to the evolution of species, as certain traits become more common in the population.

Natural selection is one of the main mechanisms of evolution and is often referred to as "survival of the fittest," although the term "fitness" in this context refers to how well an organism can survive and reproduce in its specific environment, rather than its physical strength or athleticism. Charles Darwin and Alfred Russel Wallace were the first to propose the theory of natural selection, it's based on observations of natural variation within populations, heritability of traits and the fact that more individuals are born than can survive to reproduce.

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Water. Water is responsible for the formation of landforms like rivers, valleys, canyons, and deltas.

What are Landforms?

Landforms are natural features of the Earth's surface, such as valleys, mountains, plains, plateaus, hills, and coasts. They are formed by geological processes, such as erosion, volcanic activity, tectonic movements, and deposition. Landforms can vary in size from tiny ripples in the sand to large mountain ranges.

Wind can carry sediment and erode existing landforms, but it is water that is mainly responsible for the formation of landforms. Plants and animals can influence the formation of landforms, but not to the same extent as water.

Hence, Option B is correct.

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Answer: A. interfere with ciliary action in the trachea

Explanation: I took this before and got it right.

Smoking can damage the respiratory system by damaging air sacs and alveoli.

Explanation:

Option A is correct.

The trachea is made up of ciliated pseudostratified columnar epithelium. and the smoke deposits can damage cilia and can eventually destroy them.

Cilia keep the respiratory tract clear and as they are damaged in smokers, it can lead to cough and are also at high risk of contracting pneumonia.

Option B is correct

Smoke can contribute to the aggravation of inflammatory response, contributing to the development of chronic obstructive pulmonary disease (COPD).

It can increase the release of cytokinins and trigger viral infections.

Option C is correct

Excess tobacco can block sympathetic and parasympathetic nerve impulses and can affect the normal breathing mechanism.

Option D is false

Smoking can increase blood pressure and causes hypertension.

A coin flip has a 50% chance of coming up heads. This is true for every flip of the coin, so if you make it three times, your chances of getting heads are 1/2 * 1/2 * 1/2, or 1/8.

A space might look like this: HHH, HTH, THH, TTH, HHT, HTT, THT, TTT.

There are a total of eight distinct results.

If three heads appear in a row, the likelihood is,

If A, then P(getting three heads) (getting three heads)

= 1/8 ( i.e, HHH) ( i.e, HHH)

There is a 1/8 probability that you will get three consecutive heads if you flip a coin three times (i.e., HHH).

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The dimetylmercury is a fat soluble compound thus it can pass into the cells easily through the lipid bi layer.

We know that the compounds that are water soluble would have to be ionic. It is very vital that we start the discussion from here because we ought to know that the compounds that are covalent would not be found to dissolve in water.

On the other hand, we have to recall that the entrance of the cell is a nonpolar region as that area is mostly filled with the fats that we can find around there. It then means that the compounds that may be able to pass into the cell very freely has to be the compounds that are fat soluble based on its chemical properties.

We must recall that Dimethylmercury is non polar volatile and as such it can be able to pass through the membrane and enter into the cells.

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When red cattle breed with red cattle, the resultant offspring show both red and white fur, resulting in a mixed coat pattern called "roan."

The roan pattern, normally in Shorthorn cattle, is inherited as a heterozygous genotype. Roaming is usually the intermixing of two dissimilar colored hairs - black and white make a blue roan while red and white make a red roan.

The roan coat color in livestock species is distinguished by a mixture of white and tint hair in cattle, If it is a breed that has the roan color pattern, like a Shorthorn, then yes it can be pure-blooded. Or it can be a cross-breed with the roan color pattern. Roan is a color, not a breed.

So we can conclude that Roan" mentions a horse coat color pattern characterized by a mixture of colors.

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Answer:

1.d 2.d 3.a 4.b 5.d 6.d 7.a

Answer:

The condensed form of DNA that can be seen with a microscope as it prepares for cell division is called chromatin.

Explanation:

Answer:

All of these can be affected

Explanation:

A change in the Earth's climate can have a number of impacts on the planet and its inhabitants. Weather is a key aspect of climate, and a change in climate can lead to changes in patterns of weather, such as changes in the frequency or intensity of storms, droughts, or other extreme weather events. These changes can have significant impacts on plants and animals, as they may be adapted to specific types of weather and climate conditions. Ecosystems, which are complex systems of interacting plants, animals, and other organisms, can also be affected by changes in climate, as these changes can alter the relationships between different species and the availability of resources. Overall, climate change can have a range of impacts on the Earth and its inhabitants, and understanding these impacts is an important part of addressing this global challenge.

Answer:

cell B

Explanation:

it has more mitochondria therefore more metabolism

The location of the fossil of S. crassirostris suggests that they might have eaten similar to modern-day "skimmers," a rare breed of shorebirds from the genus Rynchops that flies over still bodies of water and uses its submerged lower jaw to scoop up small fish and crustaceans.

The term "feeding habit" can apply to both the type of food that an animal consumes and the manner in which it obtains it.

Fossils are any surviving remains, impressions, or evidence of a once-living thing from a previous geological epoch. Examples include exoskeletons, bones, shells, animal or microbe imprints in stone, items preserved in amber, hair, petrified wood, and DNA traces.

An example is the fossil of S. crassirostris was found in limestone that formed in a warm sea-water lagoon.

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